#!/usr/bin/env python
# -*- coding:utf-8 -*-
# @FileName  :ifelse.py
# @Time      :2021/3/8 15:11
# @Author    :Letquit
"""
文件说明：

"""
x = 'abc'
y = 123
print(isinstance(x, str))
print(isinstance(y, str))
L1 = ['Hello', 'World', 18, 'Apple', None]
print([k for k in L1 if isinstance(k, str)])
if __name__ == "__main__":
    run_code = 0
